Here on the East side of the US we all run into generator run time restrictions just about everywhere you go at the public campgrounds. The guys with the big CLASS A RIGS seems to get by with a somewhat double standard and get away with running their on-board generators just about anytime they want to.
For us it was always frowned on big time running our 2KW generator out in the open or sitting on the tail gate of our truck bed etc except for the few hours allowed in the morning and then again in the afternoon periods.. We have never been able to run our 2KW generator after 8PM any where even in the Natl Fores areas. This was main reason for me to beef up the batteries to run our things during the generator restriction times...
This is much reduced out West but I imagine you will run into that more now with your 5th wheel and an open generator running...
Camping in dispersed areas usually anything goes but unfortunate for us campers here on the East side of the US there are few dispersed camping areas around...
Not really many private areas as well - just too many peoples around haha...
Most of my camping is always off the power grid and we do quiet well with just 255AH of battery capacity power. I started doing all of this in the early 2009 time frame and just now my GP24 12VDC Interstate batteries are dropping off on performance... When I get bigger and better batteries going I most definitely want to enhance my setup with solar panels this time around...
Once you store the solar power into the larger battery banks then you can run all night long without making any noise during the noise restriction times...
Thats our game plan at any rate...
Roy Ken